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fix: tgid must be read

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mzz2017
2023-02-21 13:43:46 +08:00
parent b35e469cd6
commit 474342c8f0
1 changed files with 4 additions and 1 deletions
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5
control/kern/tproxy.c
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@ -2075,7 +2075,10 @@ static int __always_inline update_map_elem_by_cookie(const __u64 cookie) {
bpf_printk("failed to read process name: %d", ret);
return ret;
}
bpf_core_read(&val.pid, sizeof(val.pid), &current->tgid);
if ((ret = bpf_core_read(&val.pid, sizeof(val.pid), &current->tgid))) {
bpf_printk("failed to read pid: %d", ret);
return ret;
}
// bpf_printk("a start_end: %lu %lu", arg_start, arg_end);
// bpf_printk("b start_end: %lu %lu", arg_start + last_slash, arg_start + j);